5*8x-21=54

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Solution for 5*8x-21=54 equation:


Simplifying
5 * 8x + -21 = 54

Multiply 5 * 8
40x + -21 = 54

Reorder the terms:
-21 + 40x = 54

Solving
-21 + 40x = 54

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + 40x = 54 + 21

Combine like terms: -21 + 21 = 0
0 + 40x = 54 + 21
40x = 54 + 21

Combine like terms: 54 + 21 = 75
40x = 75

Divide each side by '40'.
x = 1.875

Simplifying
x = 1.875

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